Fitbit Ionic vs. Amazfit Stratos vs. Fitbit Versa 2 vs. Amazfit GTR vs. Amazfit T-Rex

 
Ionic
Stratos
Versa 2
GTR
T-Rex
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$199$199$199$140
Release20172018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days5 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300300 x 300454 x 454360 x 360
Size1.421.34 inches1.34 inches1.39 inches1.3 inches
Touch
TypeOLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryBuild-inBuild-inBuild-in
Apps
Music

All Wearables